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MHT-CET

IMPORTANT

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A simple pendulum with a bob of mass ' $m^{'}$ oscillates from $A$ to $C$ and back to $A$ such that $P B$ is $H$ . If the acceleration due to gravity is ' $g$ ', then the velocity of the bob, as it passes through $B$ is

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Important Questions on Oscillations

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MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Competitive Thinking>Q 109

In a second pendulum, mass of bob is

30 g

. If it is replaced by

90 g

mass, then its time period will be

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Competitive Thinking>Q 110

A heavy brass sphere is hung from a weightless inelastic cord and acts as a simple pendulum with its period of oscillation

T

. The sphere is immersed in non-viscous liquid of density

\frac{1}{10^{th}}

of the density of brass. Then it will act as a simple pendulum of period

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MHT-CET

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Competitive Thinking>Q 111

The bob of a simple pendulum performs S.H.M. with period

T

In air and with period

T_{1}

{}^{'}T

' And

{}^{'}T_{1}

' Is (neglect friction due to water, density of the material of the bob is

\frac{9}{8} \times 10^{3} kg m^{- 3}

, density of water

= 1 g {cc}^{- 1})

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MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Competitive Thinking>Q 112

Two simple pendulums of length

5 m

and

20 m

respectively are given small linear displacement in one direction at the same time. They will again be in the phase when the pendulum of shorter length has completed

n

oscillations. The value of

n

is then:-

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Competitive Thinking>Q 113

The acceleration due to gravity at a place is

π^{2} m s^{- 2}

. Then the time period of a simple pendulum of length one metre is

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Competitive Thinking>Q 114

A simple pendulum of length

1 m

is freely suspended from the ceiling of an elevator. The time period of small oscillations as the elevator moves up with an acceleration of

2 m s^{- 2}

g = 10 m s^{- 2})

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MHT-CET

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Competitive Thinking>Q 115

Two simple pendulums

A

and

B

are made to oscillate simultaneously, and it is found that

A

completes

10

oscillations in

20 s

and

B

completes

8

oscillations in

10 s

. The ratio of the lengths of

A

and

B

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Oscillations>Competitive Thinking>Q 116

When the length of a simple pendulum is decreased by

600 mm,

the period of oscillation is halved. The original length of the pendulum was

A simple pendulum with a bob of mass ' m' oscillates from A to C and back to A such that PB is H. If the acceleration due to gravity is 'g', then the velocity of the bob, as it passes through B is

Important Questions on Oscillations

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A simple pendulum with a bob of mass ' $m^{'}$ oscillates from $A$ to $C$ and back to $A$ such that $P B$ is $H$ . If the acceleration due to gravity is ' $g$ ', then the velocity of the bob, as it passes through $B$ is